/* ------------------------------------------------------------------------------
 *
 *  # Bootstrap file input
 *
 *  File input styling for Bootstrap 3.0
 *
 *  Version: 1.3
 *  Latest update: Aug 10, 2016
 *
 * ---------------------------------------------------------------------------- */

// Core styles
// ------------------------------

// Base
.file-input {

  // Remove red border and shadow from input with error
  &.has-error {
    .form-control {
      border-color: @input-border;
      outline: 0;
      .box-shadow(none);
    }
  }

  // Add horizontal spacing to icons on desktops
  @media (min-width: @screen-sm-min) {
    .btn > [class*=icon-],
    .btn > .glyphicon {
      margin-right: 5px;
    }
  }
}

// File object
.file-object {
  margin: 0 0 -(@list-spacing) 0;
  padding: 0;
}

// File input styling
// ------------------------------

// Browse button
.btn-file {
  position: relative;
  overflow: hidden;

  // Hide original input
  input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    text-align: right;
    opacity: 0;
    background: none repeat scroll 0 0 transparent;
    cursor: inherit;
    display: block;
  }
}

// Caption name
.file-caption-name {
  display: inline-block;
  overflow: hidden;
  word-break: break-all;

  // Add spacing between icon and text
  [class*=icon-],
  .glyphicon {
    margin-right: @element-horizontal-spacing;
  }

  // Display empty caption text as a placeholder
  .file-input-new & {
    color: @text-muted;

    // And hide icon
    > [class*=icon-],
    > .glyphicon {
      display: none;
    }
  }
}

// Error message
.file-error-message {
  position: relative;
  background-color: #f2dede;
  color: #a94442;
  text-align: center;
  border-radius: @border-radius-base;
  padding: 10px;
  margin: 0 5px 5px 5px;

  // Top spacing correction if inside drop zone
  .file-drop-zone & {
    margin-top: 5px;
  }

  // Close button
  .close {
    margin-top: 1px;
    color: #a94442;
  }

  // List of errors
  pre,
  ul {
    margin: @list-spacing 0;
    text-align: left;
  }
}

// Disabled caption
.file-caption-disabled {
  background-color: @input-bg-disabled;
  cursor: @cursor-disabled;

  // Change text color
  .file-caption-name {
    color: #ccc;
  }
}

//
// Preview
//

// Preview modal
.file-preview-detail-modal {
  text-align: left;
}

// File preview container
.file-preview {
  border-radius: @border-radius-small;
  border: 1px solid @panel-default-border;
  width: 100%;
  margin-bottom: @line-height-computed;
  position: relative;
  text-align: center;

  // Close button
  > .close {
    font-weight: 400;
    font-size: @font-size-h5;
    opacity: 1;
    position: absolute;
    top: 0;
    right: 0;
    background-color: #fff;
    padding: 8px;
    line-height: 0.6;
    border-radius: @border-radius-base;
    color: @color-grey-700;
    .opacity(1);
  }
}

// Thumbnail frame
.file-preview-frame {
  margin: @padding-base-vertical;
  margin-right: 0;
  height: 160px;
  display: table;
  float: left;
  vertical-align: middle;

  // Inside drop zone
  .file-drop-zone & {
    border: 1px solid @panel-inner-border;
    border-radius: @border-radius-base;
  }
}

// Thumbnail image
.file-preview-image {
  height: 160px;
  vertical-align: middle;
  border-radius: @border-radius-base;

  // Prevent image overflow
  @media (max-width: @screen-xs-max) {
    max-width: 100%;
  }
}

// Preview text
.file-preview-text {
  text-align: left;
  width: 160px;
  margin-bottom: 2px;
  color: #428bca;
  background-color: #fff;
  overflow-x: hidden;
}

// Other files preview
.file-preview-other {
  display: table-cell;
  text-align: center;
  vertical-align: middle;
  width: 160px;
  height: 160px;

  // Override for preview icon, use Icomoon instead
  &:after {
    content: "\ea0c";
    font-family: "icomoon";
    display: block;
    font-size: @icon-font-size * 4;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  // Hide glyphicon icon
  .glyphicon {
    display: none;
  }
}

// Status
.file-preview-status {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  color: @text-color;
  background-color: fade(#fafafa, 80%);
  border-top: 1px solid @panel-default-border;
  padding: @padding-base-vertical @padding-base-horizontal;
  font-size: @font-size-small;
  line-height: @line-height-small;
  color: @text-color !important;

  // Collapse if empty
  &:empty {
    padding: 0;
    background-color: transparent;
    border: 0;
  }
}

//
// Loading indicator
//

// Give it minimum height
.file-thumb-loading {
  min-height: (@icon-font-size * 2) + (@content-padding-large * 2) + ((@padding-base-vertical * 2) + @line-height-computed + 1);
}

// Loading icon
.file-thumb-loading,
.file-uploading {

  // Background
  &:before {
    content: "";
    display: inline-block;
    background-color: @color-slate-900;
    width: (@icon-font-size * 2);
    height: (@icon-font-size * 2);
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -(((@icon-font-size * 2) + ((@padding-base-vertical * 2) + @line-height-computed + 1)) / 2) 0 0 -(@icon-font-size);
    border-radius: @border-radius-base;
    .box-shadow(0 1px 5px fade(#fff, 50%));
  }

  // Icon itself
  &:after {
    content: "\eb55";
    font-family: "icomoon";
    display: inline-block;
    position: absolute;
    color: #fff;
    top: 50%;
    left: 50%;
    margin: -((@icon-font-size + ((@padding-base-vertical * 2) + @line-height-computed + 1)) / 2) 0 0 -(@icon-font-size / 2);
    font-size: @icon-font-size;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    .animation(rotation 1s linear infinite);
  }
}

// Indicator
.file-upload-indicator {
  padding-top: @padding-xs-vertical + 1;
  padding-bottom: @padding-xs-vertical + 1;
  cursor: default;
  text-align: left;
  padding-left: (@padding-base-vertical + 1);
}

//
// Default elements visibility
//

// Standard upload
.file-input-new {
  .file-preview,
  .close,
  .glyphicon-file,
  .fileinput-remove-button,
  .fileinput-upload-button {
    display: none;
  }
}

// Ajax upload
.file-input-ajax-new {
  .fileinput-remove-button,
  .fileinput-upload-button,
  .fileinput-remove,
  .file-caption-name > [class*=icon-],
  .file-caption-name > .glyphicon {
    display: none;
  }
}

// AJAX upload styling
// ------------------------------

// File actions
.file-actions {
  margin-top: 5px;
  border-top: 1px solid @gray-lighter;

  // Remove horizontal spacing from icons
  .btn > [class*=icon-],
  .btn > .glyphicon {
    margin-right: 0;
  }
}

// Buttons position
.file-footer-buttons {
  float: right;
}

// Caption
.file-footer-caption {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 160px;
  text-align: center;
  font-size: @font-size-mini;
  padding: 12px 7px 7px 7px;
  margin-left: auto;
  margin-right: auto;
}

// Preview error
.file-preview-error {
  .opacity(0.65);
  .box-shadow(none);
}

//
// Dropzone
//

// Base
.file-drop-zone {
  border: 1px dashed @panel-default-border;
  border-radius: @border-radius-base;
  height: 100%;
  vertical-align: middle;
  margin: 5px;
  padding: 5px;
}

// Text title
.file-drop-zone-title {
  color: @text-muted;
  font-size: @font-size-h3;
  font-weight: 300;
  padding: 85px 10px;
}

// Highlight file
.file-highlighted {
  border-color: #ccc;
  background-color: #fafafa;
}

//
// Progress
//

// Thumbnail progress
.file-thumb-progress {
  position: absolute;
  top: -5px;
  left: 0;
  right: 0;

  // Progress bars
  .progress,
  .progress-bar {
    height: 5px;
    border-radius: 0;
    font-size: 0;
  }
}

// Thumb footer
.file-thumbnail-footer {
  position: relative;
}

// IE 10 fix
.btn-file ::-ms-browse {
  width: 100%;
  height: 100%;
}

//
// Fullscreen modal
//

.file-zoom-fullscreen {
  &.modal {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
  }

  .modal-dialog {
    position: fixed;
    margin: 0;
    width: 100%;
    height: 100%;
    padding: 0;
  }

  .modal-content {
    border-radius: 0;
    .box-shadow(none);
  }

  .modal-body {
    overflow-y: auto;
  }
}

//
// Zoom
//

// Dialog
.file-zoom-dialog {

  // Navigate buttons
  .btn-navigate {
    position: absolute;
    top: 50%;
    margin-top: -((floor(@font-size-h6 * @line-height-base) + @content-padding-large) - @icon-font-size);
    padding: 0;
    border: 0;
    background: transparent;
    outline: none;
    color: #fff;
    .opacity(0.7);

    // Icons
    > i {
      display: block;
      font-size: (@icon-font-size * 2);
    }

    // Hover state
    &:not([disabled]):hover,
    &:not([disabled]):focus {
      outline: none;
      .box-shadow(none);
      .opacity(0.5);
    }

    // Disabled state
    &[disabled] {
      .opacity(0.3);
    }
  }

  // Left button
  .btn-prev {
    left: -((@icon-font-size * 2) + 10);
  }

  // Right button
  .btn-next {
    right: -((@icon-font-size * 2) + 10);
  }

  // Floating buttons
  .floating-buttons {
    position: absolute;
    top: @content-padding-large;
    right: @content-padding-large;
    background-color: @modal-content-bg;
    border-radius: 0 0 0 @border-radius-base;

    // Add padding
    &:not(:empty) {
      padding: 0 0 @content-padding-large @content-padding-large;
    }

    // Add z-index to buttons
    &,
    .btn {
      z-index: 3000;
    }
  }
}

// Actions
.kv-zoom-actions {
  position: absolute;
  top: 50%;
  right: 20px;
  margin-top: -(@content-padding-large - (((@padding-xs-vertical * 2) + @icon-font-size + 2)) / 2);
}

// Content
.file-zoom-content {
  height: 480px;
  text-align: center;
}

//
// Drag
//

.file-drag-handle {
  margin-right: 2px;
  float: left;
  cursor: move;
  cursor: -webkit-grabbing;

  &:hover {
    .opacity(0.7);
  }
}
